/**
 * <copyright>
 * </copyright>
 *
 * $Id$
 */
package edu.pku.sei.ocl.cst.impl;

import edu.pku.sei.ocl.cst.CSTPackage;
import edu.pku.sei.ocl.cst.IfExpCS;
import edu.pku.sei.ocl.cst.OCLExpressionCS;
import edu.pku.sei.ocl.evaluation.Context;
import edu.pku.sei.ocl.visitor.AbstractOCLVisitor;

import org.eclipse.emf.common.notify.Notification;
import org.eclipse.emf.common.notify.NotificationChain;

import org.eclipse.emf.ecore.EClass;
import org.eclipse.emf.ecore.InternalEObject;

import org.eclipse.emf.ecore.impl.ENotificationImpl;

/**
 * <!-- begin-user-doc -->
 * An implementation of the model object '<em><b>If Exp CS</b></em>'.
 * <!-- end-user-doc -->
 * <p>
 * The following features are implemented:
 * <ul>
 *   <li>{@link edu.pku.sei.ocl.cst.impl.IfExpCSImpl#getThenExpression <em>Then Expression</em>}</li>
 *   <li>{@link edu.pku.sei.ocl.cst.impl.IfExpCSImpl#getElseExpression <em>Else Expression</em>}</li>
 *   <li>{@link edu.pku.sei.ocl.cst.impl.IfExpCSImpl#getCondition <em>Condition</em>}</li>
 * </ul>
 * </p>
 *
 * @generated
 */
public class IfExpCSImpl extends OCLExpressionCSImpl implements IfExpCS {
	/**
	 * The cached value of the '{@link #getThenExpression() <em>Then Expression</em>}' containment reference.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @see #getThenExpression()
	 * @generated
	 * @ordered
	 */
	protected OCLExpressionCS thenExpression;

	/**
	 * The cached value of the '{@link #getElseExpression() <em>Else Expression</em>}' containment reference.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @see #getElseExpression()
	 * @generated
	 * @ordered
	 */
	protected OCLExpressionCS elseExpression;

	/**
	 * The cached value of the '{@link #getCondition() <em>Condition</em>}' containment reference.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @see #getCondition()
	 * @generated
	 * @ordered
	 */
	protected OCLExpressionCS condition;

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	protected IfExpCSImpl() {
		super();
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	protected EClass eStaticClass() {
		return CSTPackage.Literals.IF_EXP_CS;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public OCLExpressionCS getThenExpression() {
		return thenExpression;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public NotificationChain basicSetThenExpression(
			OCLExpressionCS newThenExpression, NotificationChain msgs) {
		OCLExpressionCS oldThenExpression = thenExpression;
		thenExpression = newThenExpression;
		if (eNotificationRequired()) {
			ENotificationImpl notification = new ENotificationImpl(this,
					Notification.SET, CSTPackage.IF_EXP_CS__THEN_EXPRESSION,
					oldThenExpression, newThenExpression);
			if (msgs == null)
				msgs = notification;
			else
				msgs.add(notification);
		}
		return msgs;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public void setThenExpression(OCLExpressionCS newThenExpression) {
		if (newThenExpression != thenExpression) {
			NotificationChain msgs = null;
			if (thenExpression != null)
				msgs = ((InternalEObject) thenExpression).eInverseRemove(this,
						EOPPOSITE_FEATURE_BASE
								- CSTPackage.IF_EXP_CS__THEN_EXPRESSION, null,
						msgs);
			if (newThenExpression != null)
				msgs = ((InternalEObject) newThenExpression).eInverseAdd(this,
						EOPPOSITE_FEATURE_BASE
								- CSTPackage.IF_EXP_CS__THEN_EXPRESSION, null,
						msgs);
			msgs = basicSetThenExpression(newThenExpression, msgs);
			if (msgs != null)
				msgs.dispatch();
		} else if (eNotificationRequired())
			eNotify(new ENotificationImpl(this, Notification.SET,
					CSTPackage.IF_EXP_CS__THEN_EXPRESSION, newThenExpression,
					newThenExpression));
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public OCLExpressionCS getElseExpression() {
		return elseExpression;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public NotificationChain basicSetElseExpression(
			OCLExpressionCS newElseExpression, NotificationChain msgs) {
		OCLExpressionCS oldElseExpression = elseExpression;
		elseExpression = newElseExpression;
		if (eNotificationRequired()) {
			ENotificationImpl notification = new ENotificationImpl(this,
					Notification.SET, CSTPackage.IF_EXP_CS__ELSE_EXPRESSION,
					oldElseExpression, newElseExpression);
			if (msgs == null)
				msgs = notification;
			else
				msgs.add(notification);
		}
		return msgs;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public void setElseExpression(OCLExpressionCS newElseExpression) {
		if (newElseExpression != elseExpression) {
			NotificationChain msgs = null;
			if (elseExpression != null)
				msgs = ((InternalEObject) elseExpression).eInverseRemove(this,
						EOPPOSITE_FEATURE_BASE
								- CSTPackage.IF_EXP_CS__ELSE_EXPRESSION, null,
						msgs);
			if (newElseExpression != null)
				msgs = ((InternalEObject) newElseExpression).eInverseAdd(this,
						EOPPOSITE_FEATURE_BASE
								- CSTPackage.IF_EXP_CS__ELSE_EXPRESSION, null,
						msgs);
			msgs = basicSetElseExpression(newElseExpression, msgs);
			if (msgs != null)
				msgs.dispatch();
		} else if (eNotificationRequired())
			eNotify(new ENotificationImpl(this, Notification.SET,
					CSTPackage.IF_EXP_CS__ELSE_EXPRESSION, newElseExpression,
					newElseExpression));
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public OCLExpressionCS getCondition() {
		return condition;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public NotificationChain basicSetCondition(OCLExpressionCS newCondition,
			NotificationChain msgs) {
		OCLExpressionCS oldCondition = condition;
		condition = newCondition;
		if (eNotificationRequired()) {
			ENotificationImpl notification = new ENotificationImpl(this,
					Notification.SET, CSTPackage.IF_EXP_CS__CONDITION,
					oldCondition, newCondition);
			if (msgs == null)
				msgs = notification;
			else
				msgs.add(notification);
		}
		return msgs;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public void setCondition(OCLExpressionCS newCondition) {
		if (newCondition != condition) {
			NotificationChain msgs = null;
			if (condition != null)
				msgs = ((InternalEObject) condition).eInverseRemove(this,
						EOPPOSITE_FEATURE_BASE
								- CSTPackage.IF_EXP_CS__CONDITION, null, msgs);
			if (newCondition != null)
				msgs = ((InternalEObject) newCondition).eInverseAdd(this,
						EOPPOSITE_FEATURE_BASE
								- CSTPackage.IF_EXP_CS__CONDITION, null, msgs);
			msgs = basicSetCondition(newCondition, msgs);
			if (msgs != null)
				msgs.dispatch();
		} else if (eNotificationRequired())
			eNotify(new ENotificationImpl(this, Notification.SET,
					CSTPackage.IF_EXP_CS__CONDITION, newCondition, newCondition));
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public NotificationChain eInverseRemove(InternalEObject otherEnd,
			int featureID, NotificationChain msgs) {
		switch (featureID) {
		case CSTPackage.IF_EXP_CS__THEN_EXPRESSION:
			return basicSetThenExpression(null, msgs);
		case CSTPackage.IF_EXP_CS__ELSE_EXPRESSION:
			return basicSetElseExpression(null, msgs);
		case CSTPackage.IF_EXP_CS__CONDITION:
			return basicSetCondition(null, msgs);
		}
		return super.eInverseRemove(otherEnd, featureID, msgs);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public Object eGet(int featureID, boolean resolve, boolean coreType) {
		switch (featureID) {
		case CSTPackage.IF_EXP_CS__THEN_EXPRESSION:
			return getThenExpression();
		case CSTPackage.IF_EXP_CS__ELSE_EXPRESSION:
			return getElseExpression();
		case CSTPackage.IF_EXP_CS__CONDITION:
			return getCondition();
		}
		return super.eGet(featureID, resolve, coreType);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public void eSet(int featureID, Object newValue) {
		switch (featureID) {
		case CSTPackage.IF_EXP_CS__THEN_EXPRESSION:
			setThenExpression((OCLExpressionCS) newValue);
			return;
		case CSTPackage.IF_EXP_CS__ELSE_EXPRESSION:
			setElseExpression((OCLExpressionCS) newValue);
			return;
		case CSTPackage.IF_EXP_CS__CONDITION:
			setCondition((OCLExpressionCS) newValue);
			return;
		}
		super.eSet(featureID, newValue);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public void eUnset(int featureID) {
		switch (featureID) {
		case CSTPackage.IF_EXP_CS__THEN_EXPRESSION:
			setThenExpression((OCLExpressionCS) null);
			return;
		case CSTPackage.IF_EXP_CS__ELSE_EXPRESSION:
			setElseExpression((OCLExpressionCS) null);
			return;
		case CSTPackage.IF_EXP_CS__CONDITION:
			setCondition((OCLExpressionCS) null);
			return;
		}
		super.eUnset(featureID);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public boolean eIsSet(int featureID) {
		switch (featureID) {
		case CSTPackage.IF_EXP_CS__THEN_EXPRESSION:
			return thenExpression != null;
		case CSTPackage.IF_EXP_CS__ELSE_EXPRESSION:
			return elseExpression != null;
		case CSTPackage.IF_EXP_CS__CONDITION:
			return condition != null;
		}
		return super.eIsSet(featureID);
	}

	@Override
	public Object accept(AbstractOCLVisitor v, Context env, Object... argv) {
		if (argv == null || argv.length == 0) {
			return v.visitIfExpCS(this, env);
		} else {
			return v.visitIfExpCS(this, env, argv);
		}
	}
} //IfExpCSImpl
